<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <div id="app">
    <button @click="showOrHiddenImg">点击显示隐藏</button>
    <div>
      <img src="../html5-css3/html5/demo-case/img/h5.jfif" v-show="isShow" width="100px">
    </div>
  </div>


  <!-- 开发环境版本，包含了有帮助的命令行警告 -->
  <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
  <script>
    var app = new Vue({
      el: "#app",
      data: {
        isShow: true
      },
      methods: {
        showOrHiddenImg: function () {
          this.isShow = !this.isShow;
        }
      }
    })
  </script>
</body>

</html>